the path towards sustainable energy sources will be long and sometimes difficult. but america cannot resist this transition, we must lead it. we cannot cede to other nations the technology that will power new jobs and new industries, we must claim its promise. that's how we will maintain our economic vitality and our forests and waterways, our crop lands and snow-capped peaks. that is how we will preserve our planet, commanded to our care by god. that's what will lend meaning to the creed our fathers once declared. we, the people, still believe that enduring security and lasting peace do not require perpetual war. [applause] our brave men and women in uniform, tempered by the flames of battle, are unmatched in skill and courage. [applause] our citizens, seared by the memory of those we have lost, know too well the price that is paid for liberty. the knowledge of their sacrifice will keep us forever vigilant against those who would do us harm. but we are also heirs to those who won the peace and not just the war; who turned sworn enemies into the surest of friends -